True
Mucins exhibit direct microbicidal activities.
2.Uniformitarianism is events and catastrophism is changes. 3.relative dating is the age of rocks and geologic features compared with other rocks and features nearby and absolute age is to mean the numerical age. 4. The decay is the process by which an unstable element naturally changes into another element that is stable and dating is one important radioactive isotope used for dating. 5. Superposition is rock layers at the bottom and crosscutting relationship is a rock layer going though another rock layer
D. is a recent development resulting from the burning fossil fuels
Are caused by the tilt of the Earth's rotational axis away or toward the sun as it travels around the sun
Substances that are made up of only one type of atom.
